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Assessment of the aerosol Indirect effects in regional climate model (RegCM4) / Zeinab Salah Mahmoud Mohammed Abdullah ; Supervised Mohamed Magdy Abdelwahab

By: Contributor(s): Material type: TextTextLanguage: English Publication details: Cairo : Zeinab Salah Mahmoud Mohammed Abdullah , 2014Description: 119 P. : maps ; 24cmOther title:
  • (RegCM4) تقدير التاثيرات الغير مباشرة للأيروسولات فى النموذج الاقليمى للمناخ [Added title page title]
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  • Issued also as CD
Dissertation note: Thesis (Ph.D.) - Cairo University - Faculty of Science- Department of Astronomy and Meteorology Summary: Aerosol-cloud-climate interactions are a long standing problem in climate modeling. The poor understanding of these interactions is the source of large uncertainty in the assessment of aerosol radiative forcing. There are accumulated observational evidences on the effect of the anthropogenic emitted aerosols on precipitation in monsoon regions, namely, Indian subcontinent, East Asia and West Africa. In this work, an updated version of ICTP regional climate model (RegCM4) is used to investigate the direct and indirect effects of different atmospheric aerosols on the climate of two different regions, East Asia and North and Tropical Africa during the rainy summer season, to quantify the influence of the increasing aerosols on the migration and intensity of East Asian Summer Monsoon, West African Monsoon rainfall patterns and the air temperature. In this study three schemes have been used to parameterize the process of the cloud droplets grow to embryonic raindrops, namely, autoconversion, in addition to the default autoconversion scheme in RegCM4 is the Kessler-type formula (Kessler, 1969), which is independent on the aerosol mass mixing ratio
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Item type Current library Home library Call number Copy number Status Barcode
Thesis Thesis قاعة الرسائل الجامعية - الدور الاول المكتبة المركزبة الجديدة - جامعة القاهرة Cai01.12.01.Ph.D.2014.Ze.A (Browse shelf(Opens below)) Not for loan 01010110064024000
CD - Rom CD - Rom مخـــزن الرســائل الجـــامعية - البدروم المكتبة المركزبة الجديدة - جامعة القاهرة Cai01.12.01.Ph.D.2014.Ze.A (Browse shelf(Opens below)) 64024.CD Not for loan 01020110064024000

Thesis (Ph.D.) - Cairo University - Faculty of Science- Department of Astronomy and Meteorology

Aerosol-cloud-climate interactions are a long standing problem in climate modeling. The poor understanding of these interactions is the source of large uncertainty in the assessment of aerosol radiative forcing. There are accumulated observational evidences on the effect of the anthropogenic emitted aerosols on precipitation in monsoon regions, namely, Indian subcontinent, East Asia and West Africa. In this work, an updated version of ICTP regional climate model (RegCM4) is used to investigate the direct and indirect effects of different atmospheric aerosols on the climate of two different regions, East Asia and North and Tropical Africa during the rainy summer season, to quantify the influence of the increasing aerosols on the migration and intensity of East Asian Summer Monsoon, West African Monsoon rainfall patterns and the air temperature. In this study three schemes have been used to parameterize the process of the cloud droplets grow to embryonic raindrops, namely, autoconversion, in addition to the default autoconversion scheme in RegCM4 is the Kessler-type formula (Kessler, 1969), which is independent on the aerosol mass mixing ratio

Issued also as CD

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